Now we can access all the mx_internal functions and properties and change them - sometimes it is very handy. Especially when creating custom components.

To check what functions are mx_internal by Ctrl+Space eclipse shortcut you need some Flash Builder beta. Just grab one from adobe labs site You simply type there override mx_internal function and the shortcut (Ctrl+Space) and here we go - all the mx_internal functions pop up in the window.

We set the scroll policy in the canvas directly not trough reference. So to be clear - you use your namespace to cover some of your code, that you don't want the not experienced user to use directly. Some user with your code can do something like that: